An obligate parasite, or holoparasite, is a parasitic organism that cannot complete its life-cycle without exploiting a suitable host.
Part of the Andes mountain range, Aconcagua is the second highest of the Seven Summits, behind only Mount Everest in Asia. At 22,837 feet (6,961 meters), not only is it the highest mountain in South America, it is the tallest peak in all of the Americas as well as the Southern and Western Hemispheres.
Sacred Mountains of Hawaii. Mauna Kea. Mauna Kea, at 13,796 feet, is the tallest mountain in Hawaii and all of the Pacific Ocean. If measured from its base at the oceanâs floor, 16,000 feet down, it is the tallest in the world. Due to its great weight it has also subsided an estimated 35,000 feet into the crust.